public LockInternals(ZooKeeper zkClient, ILockInternalsDriver driver, string path, string lockName, int maxLeases)
{
_driver = driver;
_lockName = lockName;
_maxLeases = maxLeases;
_zkClient = zkClient;
_basePath = ZKPaths.ValidatePath(path);
_path = ZKPaths.MakePath(path, lockName);
_signal = new SemaphoreSlim(0);
_watcher = new ReleaseLockWatcher(_signal);
}
/// <summary>
/// zk信号量
/// </summary>
/// <param name="zkClient"></param>
/// <param name="path"></param>
/// <param name="maxLeases"></param>
public ZookeeperSemaphore(ZooKeeper zkClient, string path, int maxLeases, int lockTimeout)
{
ZKPaths.ValidatePath(path);
_zkClient = zkClient;
_maxLeases = maxLeases;
_lockTimeout = lockTimeout;
_lock = new ZookeeperMutexLock(zkClient, ZKPaths.MakePath(path, LOCK_PARENT), lockTimeout);
_leasesPath = ZKPaths.MakePath(path, LEASE_PARENT);
_acquiredLeases = new List <string>(maxLeases);
_signal = new SemaphoreSlim(0);
_watcher = new ReleaseLockWatcher(_signal);
}
public static async Task <string> RecursionCreateAsync(this ZooKeeper zkClient, string path, byte[] data, List <ACL> acl, CreateMode createMode)
{
ZKPaths.ValidatePath(path);
var paths = path.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
string outPath = null;
var currPath = string.Empty;
for (int i = 0; i < paths.Length; i++)
{
currPath += "/" + paths[i];
try
{
var stat = await zkClient.existsAsync(currPath);
if (stat == null) // 节点不存在
{
if (i == paths.Length - 1) // 终节点
{
outPath = await zkClient.createAsync(currPath, data, acl, createMode);
}
else
{
await zkClient.createAsync(currPath, null, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
}
}
}
catch (KeeperException.NodeExistsException)
{
continue;
}
}
return(outPath);
}
public ZookeeperMutexLock(ZooKeeper zkClient, string path, string lockName, int maxLeases, ILockInternalsDriver driver, int lockTimeout)
{
_basePath = ZKPaths.ValidatePath(path);
_lockTimeout = lockTimeout;
_internals = new LockInternals(zkClient, driver, path, lockName, maxLeases);
}
